Minnesota Blue Card Practice Test

When is it appropriate to flash your headlights at oncoming vehicles?

1. To signal for them to move

2. When they are too close

3. To warn them about your presence

4. When you are within 1,000 feet

The correct answer is: When you are within 1,000 feet

Flashing your headlights at oncoming vehicles is generally appropriate to enhance visibility and safety, particularly when you are within a certain distance, such as 1,000 feet. This practice is often associated with alerting other drivers of your presence, especially in low visibility situations, such as during dusk or in fog. It serves to communicate crucial information to other drivers, indicating that you are approaching and that they should be cautious. It is common driving etiquette and is largely meant to prevent accidents by ensuring that all drivers are aware of each other's presence on the road. The other options do not align with standard driving practices and may lead to misinterpretation or confusion. For instance, using headlights to signal someone to move could be considered aggressive driving. Indicating that another vehicle is too close may not be appropriate or effective as a warning method.